For an angle of incidence θ on an equilateral prism of refractive index 
, the ray refracted is parallel to the base inside the prism. The value of θ is
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
C
Angle of incidence, 
Angle of equilateral prism,
In the case of minimum deviation, the refracted ray inside the prism is parallel to the base.
Hence, 
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